TGFB1 and systemic lupus erythematosus: Similarly, TGF‐β expression was significantly higher in SLE probiotic‐treated groups compared to healthy controls (P‐DEL: p = 0.0004; P‐RAM: p = 0.0007; P‐MIX: p = 0.0045) and the LPS group (p ≤ 0.0005).